For myself, it's been super helpful in at least two ways:
1) Staying on top of my kid's school obligations, homework, etc. School Learning Management Systems are a hot mess, and I use agents to consolidate and collate, to keep track of the homework that has been done, what needs to be done, and even pre-grade homework to give feedback (most of the work is done on digital platforms too). It's been immensely time saving for these kinds of things. 2) Multiple instances of watching things passively: hotel room prices, availability of tickets, finding the best place to sell things online. In general things that require a lot of browsing, collating, and watching. These are the kinds of things that specialized software products could do as well, but with an agent they are just a prompt away, and you get exactly what you want. (More or less.)
Keeping track of your kids' homework is your concern? Doesn't it only become your concern, briefly, when the school contacts you about your kid not getting their homework done?
As someone who doesn't have kids and was last in school decades ago....
Do those School Learning Management Systems tell you everyday what homework your kid is expected to complete? Do you feel such a granular degree of monitoring and direction has impacted your child's opportunity to build character, intrinsic responsibility and self-management skills?
When I was a kid, teachers gave out assignments, and the student was responsible for keeping track of them, staying on top of progress, and handing in by the deadline. If a problem arose that wasn't an isolated incident or resolvable directly between the student and teacher, the feedback would flow at a much higher level e.g. scheduled parent-teacher interviews or via a phone call.
And what do parents do who don't accept the terms and conditions of said educational platforms? (e.g. due to overly broad privacy clauses or one-sided indemnities and the like)